In assembly language what does "LD A, (3000H)" mean??

Question

Please can any one give me web sites for learning machine language and assembly

Answer 1

Martin Taylor yes I was checking some documentation about the z80 processor and want to understand the codes
So i should read them carefully and the user manual !!
Thank you so much for helping I appreciate it .

Answer 2

Thank you so much Mr Martin Taylor this is very helpful thanks ^^